49828331538 has 24 divisors (see below), whose sum is σ = 107995153500. Its totient is φ = 16604248704.

The previous prime is 49828331537. The next prime is 49828331543. The reversal of 49828331538 is 83513382894.

49828331538 is a `hidden beast` number, since 49 + 8 + 283 + 315 + 3 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 47712975489 + 2115356049 = 218433^2 + 45993^2 .

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (49828331537) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 373563 + ... + 489086.

Almost surely, 2^49828331538 is an apocalyptic number.

49828331538 is an abundant number, since it is smaller than the sum of its proper divisors (58166821962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49828331538 is a wasteful number, since it uses less digits than its factorization.

49828331538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865866 (or 865863 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The spelling of 49828331538 in words is "forty-nine billion, eight hundred twenty-eight million, three hundred thirty-one thousand, five hundred thirty-eight".